View Compilation Error

0_0_6012621_26653.cpp: In function `void dp()':
0_0_6012621_26653.cpp:28: error: `memset' undeclared (first use this function)
0_0_6012621_26653.cpp:28: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_6012621_26653.cpp: At global scope:
0_0_6012621_26653.cpp:59: error: expected init-declarator before "while"
0_0_6012621_26653.cpp:59: error: expected `,' or `;' before "while"
0_0_6012621_26653.cpp:72: error: expected unqualified-id before "return"
0_0_6012621_26653.cpp:72: error: expected `,' or `;' before "return"